MC908LJ12CFBE Freescale Semiconductor, MC908LJ12CFBE Datasheet - Page 139
![IC MCU 12K FLASH 8MHZ 52-LQFP](/photos/12/35/123587/mc908lj12cfbe_sml.jpg)
MC908LJ12CFBE
Manufacturer Part Number
MC908LJ12CFBE
Description
IC MCU 12K FLASH 8MHZ 52-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC98LJ12CFUE.pdf
(414 pages)
Specifications of MC908LJ12CFBE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
IRSCI, SPI
Peripherals
LCD, LVD, POR, PWM
Number Of I /o
20
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-LQFP
Processor Series
HC08LJ
Core
HC08
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SCI/SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Operating Supply Voltage
3.3 V, 5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68EML08LJLKE, ZK-HC08LX-A, M68CBL05CE
Minimum Operating Temperature
- 40 C
On-chip Adc
6-ch x 10-bit
Controller Family/series
HC08
No. Of I/o's
20
Ram Memory Size
512Byte
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
SCI, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
MC908LJ12CFBE
Manufacturer:
Freescale Semiconductor
Quantity:
135
Company:
Part Number:
MC908LJ12CFBE
Manufacturer:
SANYO
Quantity:
650
Company:
Part Number:
MC908LJ12CFBE
Manufacturer:
Freescale Semiconductor
Quantity:
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Part Number:
MC908LJ12CFBE
Manufacturer:
FREESCALE
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20 000
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9.4.2.2 Computer Operating Properly (COP) Reset
MC68HC908LJ12
Freescale Semiconductor
CGMOUT
PORRST
OSC1
IRST
ICLK
RST
IAB
—
Rev. 2.1
An input to the SIM is reserved for the COP reset signal. The overflow of
the COP counter causes an internal reset and sets the COP bit in the
SIM reset status register (SRSR). The SIM actively pulls down the RST
pin for all internal reset sources.
To prevent a COP module timeout, write any value to location $FFFF.
Writing to location $FFFF clears the COP counter and bits 12 through 5
of the SIM counter. The SIM counter output, which occurs at least every
2
serviced as soon as possible out of reset to guarantee the maximum
amount of time before the first timeout.
The COP module is disabled if the RST pin or the IRQ pin is held at V
while the MCU is in monitor mode. The COP module can be disabled
only through combinational logic conditioned with the high voltage signal
on the RST or the IRQ pin. This prevents the COP from becoming
disabled as a result of external noise. During a break state, V
RST pin disables the COP module.
13
CYCLES
4096
– 2
4
ICLK cycles, drives the COP counter. The COP should be
Figure 9-7. POR Recovery
System Integration Module (SIM)
CYCLES
32
CYCLES
32
System Integration Module (SIM)
$FFFE
$FFFF
Technical Data
TST
on the
TST
139
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